Rory McIlroy says tests show no new injury to his backPONTE VEDRA BEACH, Fla. (AP) Rory McIlroy says tests indicate no new injury to his back, only what he described as a ''low-grade response'' to his rib injurySI Staff|Share on FacebookShare on XAdd us as a preferred sourceRory McIlroy says tests show no new injury to his backLoading recommendations... Please wait while we load personalized content recommendationsPublished May 15, 2017 | Modified May 15, 2017SI STAFFShare on FacebookShare on X